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- 1. Multiple Choice
Which of these is one cause of deforestation?
cutting down trees
overbreeding of birds in the wild
throwing toxic chemicals in the river.
over fishing
- 2. Multiple Choice
What is deforestation?
Clearing Earth's forests on a massive scale
Eating too much vegetables
Going to a forest and pulling grasses
Clearing the five trees in my backyard
- 3. Multiple Choice
T/F: Deforestation has an effect on the water cycle.
True
False
- 4. Multiple Choice
T/F: Deforestation causes an increase in atmospheric carbon dioxide
true
false
- 5. Multiple Choice
What are the effects of deforestation ?
animals and other organisms will lost their habitats
increased green house gasses
soil erosion and flooding
all of the above
- 6. Multiple Choice
Does deforestation contribute to global warming?
No, trees aren't that important
Sometimes, because only the cutting down big trees contributes to global warming
No, deforestation adds more oxygen to the atmosphere, which makes the Earth cooler
Yes; less trees means less carbon dioxide (CO2) is turned into oxygen.
- 7. Multiple Choice
__________ happens when there are too many people living in an area.
population
overpopulation
community
A &B are correct
- 8. Multiple Choice
What’s causing overpopulation?
People are having lots of children.
People are moving to big cities.
People would like to be together
All are correct.
- 9. Multiple Choice
What are the effects of overpopulation?
There's a lot of pollution in big cities.
One cause is that people's life expectancy has increased.
People will have plenty of resources
People can buy more expensive cars.
- 10. Multiple Choice
Smog is an example of ______________ pollution.
land
water
air
noise
- 11. Multiple Choice
To reduce pollution in the environment, people should ______________ materials.
recycle
pollute
throw away
clean
- 12. Multiple Choice
Which of the following does NOT cause water pollution?
oil spills
garbage
fertilizers from farms
smoke
- 13. Multiple Choice
How can trash affect wildlife?
Wildlife and other animals cannot hunt prey because of the smell of garbage.
Trash makes it hard for wildlife to camouflage.
Wildlife could eat trash that they think is food.
Wildlife and other animals are afraid of trash.
- 14. Multiple Choice
Which of the following items could you recycle?
An old newspaper
A plastic soda bottle that is empty
An empty cereal box
All of the above
- 15. Multiple Choice
Which of the following is a source of air pollution?
Difficulty in breathing
Factories
Eye irritation
Drinking water
- 16. Multiple Choice
This picture shows people walking through a highly-polluted city in China. From what type of pollution are they protecting themselves based on what they are wearing?
air pollution
water pollution
land pollution
noise pollution
- 17. Multiple Choice
To help our environment, you should_______.
Note: (3R's)
recycle, remember, and reduce.
reduce, reuse, and recycle.
reduce, repair, and recycle.
reuse, replace, and recycle.
- 18. Multiple Choice
__________ means to use something old to make something new.
reduce
reuse
recycle
- 19. Multiple Choice
Biodegradable waste is...
An animal of the forest
Everything that can be eaten.
Is any product that can be easily broken down naturally by water, oxygen, the sun's rays, radiation, or microorganisms.
A kind of substance which cannot be broken down by natural organisms and acts as a source of pollution
- 20. Multiple Choice
Examples of Non Biodegradable wastes are..
(Click all that applies)
plastics
glass
diapers
food
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